ata: Correct activation functionality
ata: Correct activation functionality

No data is actually exchanged in the activation flow.

The commands need to be sent in the direction `SG_DXFER_NONE` to
avoid ATA errors.

fwupd/fwupd,hughsie/fwupd,hughsie/fwupd,fwupd/fwupd,hughsie/fwupd,fwupd/fwupd,hughsie/fwupd,fwupd/fwupd